attiny13-20ss ATMEL Corporation, attiny13-20ss Datasheet - Page 173

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attiny13-20ss

Manufacturer Part Number
attiny13-20ss
Description
8-bit Microcontroller With 1k Bytes In-system Programmable Flash - Atmel Corporation
Manufacturer
ATMEL Corporation
Datasheet

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Table of Contents
2535G–AVR–01/07
Features................................................................................................ 1
Pin Configurations............................................................................... 2
Overview............................................................................................... 2
About Code Examples......................................................................... 4
AVR CPU Core ..................................................................................... 5
AVR Memories ................................................................................... 13
System Clock and Clock Options .................................................... 21
Power Management and Sleep Modes............................................. 27
System Control and Reset ................................................................ 30
Interrupts ............................................................................................ 42
Block Diagram ...................................................................................................... 3
Pin Descriptions.................................................................................................... 4
Introduction ........................................................................................................... 5
Architectural Overview.......................................................................................... 5
ALU – Arithmetic Logic Unit.................................................................................. 6
Status Register ..................................................................................................... 7
General Purpose Register File ............................................................................. 8
Stack Pointer ........................................................................................................ 9
Instruction Execution Timing............................................................................... 10
Reset and Interrupt Handling.............................................................................. 10
In-System Re-programmable Flash Program Memory ....................................... 13
SRAM Data Memory........................................................................................... 14
EEPROM Data Memory...................................................................................... 15
I/O Memory ......................................................................................................... 20
Clock Systems and their Distribution .................................................................. 21
Clock Sources..................................................................................................... 22
Default Clock Source .......................................................................................... 22
Calibrated Internal RC Oscillator ........................................................................ 23
External Clock..................................................................................................... 24
128 kHz Internal Oscillator.................................................................................. 25
System Clock Prescaler...................................................................................... 25
Idle Mode ............................................................................................................ 28
ADC Noise Reduction Mode............................................................................... 28
Power-down Mode.............................................................................................. 28
Minimizing Power Consumption ......................................................................... 29
Internal Voltage Reference ................................................................................. 35
Watchdog Timer ................................................................................................. 36
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